Battery and powered equipment

Abstract

The present application provides a battery and powered equipment with good heat dissipation performance. The battery includes: a plurality of battery cells, the plurality of battery cells being cylinders; and an air-cooling structure, including a body and at least one air duct penetrating the body in a first direction (X), the first direction (X) being parallel to an axial direction of the plurality of battery cells, and a cross section of the air duct perpendicular to the first direction (X) being in a fin shape.

What is claimed is: 
     
         1 . A battery, comprising:
 a plurality of battery cells, the plurality of battery cells being cylinders; and   an air-cooling structure, comprising a body and at least one air duct penetrating the body in a first direction (X), the first direction (X) being parallel to an axial direction of the plurality of battery cells, and a cross section of the air duct perpendicular to the first direction (X) being in a fin shape.   
     
     
         2 . The battery according to  claim 1 , wherein the plurality of battery cells are arranged around the air cooling structure. 
     
     
         3 . The battery according to  claim 1 , wherein the plurality of battery cells are pasted on a first surface of the body away from the air duct by means of a thermally conductive structural adhesive. 
     
     
         4 . The battery according to  claim 3 , wherein a contour shape of a region on the first surface to which the plurality of battery cells are pasted matches a contour shape of surfaces of the plurality of battery cells. 
     
     
         5 . The battery according to  claim 1 , wherein the air-cooling structure further comprises a fan, and the fan is configured to ventilate the air duct, so as to discharge the heat generated by the plurality of battery cells. 
     
     
         6 . The battery according to  claim 1 , wherein the battery further comprise a box body, the box body comprises a first box body portion and a second box body portion, the first box body portion and the second box body portion are buckled to form an accommodating cavity for accommodating the air-cooling structure and the plurality of battery cells, at least one of the first box body portion and the second box body portion has an opening, and a plane where the opening is located is parallel to the first direction (X). 
     
     
         7 . The battery according to  claim 6 , wherein a first heat dissipation portion is arranged on a bottom wall of the first box body portion, and a contour shape of a region on the first heat dissipation portion in contact with the plurality of battery cells matches the contour shape of surfaces of the plurality of battery cells. 
     
     
         8 . The battery according to  claim 6 , wherein a second heat dissipation portion is arranged on a bottom wall of the second box body portion, and a contour shape of a region on the second heat dissipation portion in contact with the plurality of battery cells matches the contour shape of surfaces of the plurality of battery cells. 
     
     
         9 . The battery according to  claim 1 , wherein the air-cooling structure is formed by a die-casting process. 
     
     
         10 . Powered equipment, comprising the battery according to  claim 1 , the battery being configured to provide electrical energy to the powered equipment. 
     
     
         11 . A method for manufacturing a battery, comprising:
 providing a plurality of battery cells, the plurality of battery cells being cylinders;   providing an air-cooling structure, the air-cooling structure comprising a body and at least one air duct penetrating the body; and   arranging the at least one air duct in a first direction (X), the first direction (X) being parallel to an axial direction of the plurality of battery cells, and a cross section of the air duct perpendicular to the first direction (X) being in a fin shape.   
     
     
         12 . A device for manufacturing a battery, comprising:
 a first providing module configured to provide a plurality of battery cells, the plurality of battery cells being cylinders;   a second providing module configured to provide an air-cooling structure, the air-cooling structure comprising a body and at least one air duct penetrating the body; and   an assembling module configured to arrange the at least one air duct in a first direction (X), the first direction (X) being parallel to an axial direction of the plurality of battery cells, and a cross section of the air duct perpendicular to the first direction (X) being in a fin shape.